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[Xen-devel] [xen-unstable test] 139775: regressions - FAIL



flight 139775 xen-unstable real [real]
http://logs.test-lab.xenproject.org/osstest/logs/139775/

Regressions :-(

Tests which did not succeed and are blocking,
including tests which could not be run:
 test-amd64-i386-xl-qemuu-dmrestrict-amd64-dmrestrict 12 
guest-start/debianhvm.repeat fail REGR. vs. 139714

Tests which did not succeed, but are not blocking:
 test-amd64-amd64-xl-qemut-win7-amd64 17 guest-stop            fail like 139714
 test-amd64-i386-xl-qemuu-win7-amd64 17 guest-stop             fail like 139714
 test-amd64-amd64-xl-qemuu-win7-amd64 17 guest-stop            fail like 139714
 test-amd64-amd64-xl-qemuu-ws16-amd64 17 guest-stop            fail like 139714
 test-armhf-armhf-libvirt     14 saverestore-support-check    fail  like 139714
 test-amd64-i386-xl-qemut-win7-amd64 17 guest-stop             fail like 139714
 test-armhf-armhf-libvirt-raw 13 saverestore-support-check    fail  like 139714
 test-amd64-amd64-xl-qemut-ws16-amd64 17 guest-stop            fail like 139714
 test-amd64-i386-xl-qemuu-ws16-amd64 17 guest-stop             fail like 139714
 test-amd64-amd64-libvirt-xsm 13 migrate-support-check        fail   never pass
 test-amd64-i386-xl-pvshim    12 guest-start                  fail   never pass
 test-amd64-amd64-libvirt     13 migrate-support-check        fail   never pass
 test-arm64-arm64-xl-seattle  13 migrate-support-check        fail   never pass
 test-arm64-arm64-xl-seattle  14 saverestore-support-check    fail   never pass
 test-amd64-i386-libvirt-xsm  13 migrate-support-check        fail   never pass
 test-amd64-i386-libvirt      13 migrate-support-check        fail   never pass
 test-amd64-amd64-libvirt-qemuu-debianhvm-amd64-xsm 11 migrate-support-check 
fail never pass
 test-amd64-i386-libvirt-qemuu-debianhvm-amd64-xsm 11 migrate-support-check 
fail never pass
 test-amd64-amd64-qemuu-nested-amd 17 debian-hvm-install/l1/l2  fail never pass
 test-arm64-arm64-libvirt-xsm 13 migrate-support-check        fail   never pass
 test-arm64-arm64-libvirt-xsm 14 saverestore-support-check    fail   never pass
 test-arm64-arm64-xl-credit2  13 migrate-support-check        fail   never pass
 test-arm64-arm64-xl-credit2  14 saverestore-support-check    fail   never pass
 test-arm64-arm64-xl          13 migrate-support-check        fail   never pass
 test-arm64-arm64-xl          14 saverestore-support-check    fail   never pass
 test-arm64-arm64-xl-xsm      13 migrate-support-check        fail   never pass
 test-arm64-arm64-xl-xsm      14 saverestore-support-check    fail   never pass
 test-arm64-arm64-xl-thunderx 13 migrate-support-check        fail   never pass
 test-arm64-arm64-xl-thunderx 14 saverestore-support-check    fail   never pass
 test-arm64-arm64-xl-credit1  13 migrate-support-check        fail   never pass
 test-arm64-arm64-xl-credit1  14 saverestore-support-check    fail   never pass
 test-armhf-armhf-xl-arndale  13 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-arndale  14 saverestore-support-check    fail   never pass
 test-amd64-amd64-libvirt-vhd 12 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-rtds     13 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-rtds     14 saverestore-support-check    fail   never pass
 test-armhf-armhf-xl-cubietruck 13 migrate-support-check        fail never pass
 test-armhf-armhf-xl-cubietruck 14 saverestore-support-check    fail never pass
 test-armhf-armhf-xl-credit2  13 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-credit2  14 saverestore-support-check    fail   never pass
 test-armhf-armhf-xl-credit1  13 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-credit1  14 saverestore-support-check    fail   never pass
 test-armhf-armhf-xl          13 migrate-support-check        fail   never pass
 test-armhf-armhf-xl          14 saverestore-support-check    fail   never pass
 test-armhf-armhf-libvirt     13 migrate-support-check        fail   never pass
 test-armhf-armhf-libvirt-raw 12 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-vhd      12 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-vhd      13 saverestore-support-check    fail   never pass
 test-armhf-armhf-xl-multivcpu 13 migrate-support-check        fail  never pass
 test-armhf-armhf-xl-multivcpu 14 saverestore-support-check    fail  never pass
 test-amd64-i386-xl-qemut-ws16-amd64 17 guest-stop              fail never pass
 test-amd64-amd64-xl-qemuu-win10-i386 10 windows-install        fail never pass
 test-amd64-i386-xl-qemuu-win10-i386 10 windows-install         fail never pass
 test-amd64-amd64-xl-qemut-win10-i386 10 windows-install        fail never pass
 test-amd64-i386-xl-qemut-win10-i386 10 windows-install         fail never pass

version targeted for testing:
 xen                  45ce5b8749a220ad7c4ce5d5eba7c201a9418078
baseline version:
 xen                  0a6ad045c5fe5e0463fe32fb8d03b433f58d1841

Last test of basis   139714  2019-08-04 19:42:05 Z    2 days
Failing since        139740  2019-08-05 16:14:44 Z    2 days    2 attempts
Testing same since   139775  2019-08-06 18:01:29 Z    1 days    1 attempts

------------------------------------------------------------
People who touched revisions under test:
  Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
  Dario Faggioli <dario.faggioli@xxxxxxxx>
  Dario Faggioli <dfaggioli@xxxxxxxx>
  George Dunlap <george.dunlap@xxxxxxxxxx>
  Jan Beulich <jbeulich@xxxxxxxx>

jobs:
 build-amd64-xsm                                              pass    
 build-arm64-xsm                                              pass    
 build-i386-xsm                                               pass    
 build-amd64-xtf                                              pass    
 build-amd64                                                  pass    
 build-arm64                                                  pass    
 build-armhf                                                  pass    
 build-i386                                                   pass    
 build-amd64-libvirt                                          pass    
 build-arm64-libvirt                                          pass    
 build-armhf-libvirt                                          pass    
 build-i386-libvirt                                           pass    
 build-amd64-prev                                             pass    
 build-i386-prev                                              pass    
 build-amd64-pvops                                            pass    
 build-arm64-pvops                                            pass    
 build-armhf-pvops                                            pass    
 build-i386-pvops                                             pass    
 test-xtf-amd64-amd64-1                                       pass    
 test-xtf-amd64-amd64-2                                       pass    
 test-xtf-amd64-amd64-3                                       pass    
 test-xtf-amd64-amd64-4                                       pass    
 test-xtf-amd64-amd64-5                                       pass    
 test-amd64-amd64-xl                                          pass    
 test-arm64-arm64-xl                                          pass    
 test-armhf-armhf-xl                                          pass    
 test-amd64-i386-xl                                           pass    
 test-amd64-amd64-libvirt-qemuu-debianhvm-amd64-xsm           pass    
 test-amd64-i386-libvirt-qemuu-debianhvm-amd64-xsm            pass    
 test-amd64-amd64-xl-qemut-stubdom-debianhvm-amd64-xsm        pass    
 test-amd64-i386-xl-qemut-stubdom-debianhvm-amd64-xsm         pass    
 test-amd64-amd64-xl-qemut-debianhvm-i386-xsm                 pass    
 test-amd64-i386-xl-qemut-debianhvm-i386-xsm                  pass    
 test-amd64-amd64-xl-qemuu-debianhvm-i386-xsm                 pass    
 test-amd64-i386-xl-qemuu-debianhvm-i386-xsm                  pass    
 test-amd64-amd64-libvirt-xsm                                 pass    
 test-arm64-arm64-libvirt-xsm                                 pass    
 test-amd64-i386-libvirt-xsm                                  pass    
 test-amd64-amd64-xl-xsm                                      pass    
 test-arm64-arm64-xl-xsm                                      pass    
 test-amd64-i386-xl-xsm                                       pass    
 test-amd64-amd64-qemuu-nested-amd                            fail    
 test-amd64-amd64-xl-pvhv2-amd                                pass    
 test-amd64-i386-qemut-rhel6hvm-amd                           pass    
 test-amd64-i386-qemuu-rhel6hvm-amd                           pass    
 test-amd64-amd64-xl-qemut-debianhvm-amd64                    pass    
 test-amd64-i386-xl-qemut-debianhvm-amd64                     pass    
 test-amd64-amd64-xl-qemuu-debianhvm-amd64                    pass    
 test-amd64-i386-xl-qemuu-debianhvm-amd64                     pass    
 test-amd64-i386-freebsd10-amd64                              pass    
 test-amd64-amd64-xl-qemuu-ovmf-amd64                         pass    
 test-amd64-i386-xl-qemuu-ovmf-amd64                          pass    
 test-amd64-amd64-xl-qemut-win7-amd64                         fail    
 test-amd64-i386-xl-qemut-win7-amd64                          fail    
 test-amd64-amd64-xl-qemuu-win7-amd64                         fail    
 test-amd64-i386-xl-qemuu-win7-amd64                          fail    
 test-amd64-amd64-xl-qemut-ws16-amd64                         fail    
 test-amd64-i386-xl-qemut-ws16-amd64                          fail    
 test-amd64-amd64-xl-qemuu-ws16-amd64                         fail    
 test-amd64-i386-xl-qemuu-ws16-amd64                          fail    
 test-armhf-armhf-xl-arndale                                  pass    
 test-amd64-amd64-xl-credit1                                  pass    
 test-arm64-arm64-xl-credit1                                  pass    
 test-armhf-armhf-xl-credit1                                  pass    
 test-amd64-amd64-xl-credit2                                  pass    
 test-arm64-arm64-xl-credit2                                  pass    
 test-armhf-armhf-xl-credit2                                  pass    
 test-armhf-armhf-xl-cubietruck                               pass    
 test-amd64-amd64-xl-qemuu-dmrestrict-amd64-dmrestrict        pass    
 test-amd64-i386-xl-qemuu-dmrestrict-amd64-dmrestrict         fail    
 test-amd64-amd64-examine                                     pass    
 test-arm64-arm64-examine                                     pass    
 test-armhf-armhf-examine                                     pass    
 test-amd64-i386-examine                                      pass    
 test-amd64-i386-freebsd10-i386                               pass    
 test-amd64-amd64-xl-qemut-win10-i386                         fail    
 test-amd64-i386-xl-qemut-win10-i386                          fail    
 test-amd64-amd64-xl-qemuu-win10-i386                         fail    
 test-amd64-i386-xl-qemuu-win10-i386                          fail    
 test-amd64-amd64-qemuu-nested-intel                          pass    
 test-amd64-amd64-xl-pvhv2-intel                              pass    
 test-amd64-i386-qemut-rhel6hvm-intel                         pass    
 test-amd64-i386-qemuu-rhel6hvm-intel                         pass    
 test-amd64-amd64-libvirt                                     pass    
 test-armhf-armhf-libvirt                                     pass    
 test-amd64-i386-libvirt                                      pass    
 test-amd64-amd64-livepatch                                   pass    
 test-amd64-i386-livepatch                                    pass    
 test-amd64-amd64-migrupgrade                                 pass    
 test-amd64-i386-migrupgrade                                  pass    
 test-amd64-amd64-xl-multivcpu                                pass    
 test-armhf-armhf-xl-multivcpu                                pass    
 test-amd64-amd64-pair                                        pass    
 test-amd64-i386-pair                                         pass    
 test-amd64-amd64-libvirt-pair                                pass    
 test-amd64-i386-libvirt-pair                                 pass    
 test-amd64-amd64-amd64-pvgrub                                pass    
 test-amd64-amd64-i386-pvgrub                                 pass    
 test-amd64-amd64-xl-pvshim                                   pass    
 test-amd64-i386-xl-pvshim                                    fail    
 test-amd64-amd64-pygrub                                      pass    
 test-amd64-amd64-xl-qcow2                                    pass    
 test-armhf-armhf-libvirt-raw                                 pass    
 test-amd64-i386-xl-raw                                       pass    
 test-amd64-amd64-xl-rtds                                     pass    
 test-armhf-armhf-xl-rtds                                     pass    
 test-arm64-arm64-xl-seattle                                  pass    
 test-amd64-amd64-xl-qemuu-debianhvm-amd64-shadow             pass    
 test-amd64-i386-xl-qemuu-debianhvm-amd64-shadow              pass    
 test-amd64-amd64-xl-shadow                                   pass    
 test-amd64-i386-xl-shadow                                    pass    
 test-arm64-arm64-xl-thunderx                                 pass    
 test-amd64-amd64-libvirt-vhd                                 pass    
 test-armhf-armhf-xl-vhd                                      pass    


------------------------------------------------------------
sg-report-flight on osstest.test-lab.xenproject.org
logs: /home/logs/logs
images: /home/logs/images

Logs, config files, etc. are available at
    http://logs.test-lab.xenproject.org/osstest/logs

Explanation of these reports, and of osstest in general, is at
    http://xenbits.xen.org/gitweb/?p=osstest.git;a=blob;f=README.email;hb=master
    http://xenbits.xen.org/gitweb/?p=osstest.git;a=blob;f=README;hb=master

Test harness code can be found at
    http://xenbits.xen.org/gitweb?p=osstest.git;a=summary


Not pushing.

------------------------------------------------------------
commit 45ce5b8749a220ad7c4ce5d5eba7c201a9418078
Author: George Dunlap <george.dunlap@xxxxxxxxxx>
Date:   Tue Aug 6 12:19:55 2019 +0100

    mm: Safe to clear PGC_allocated on xenheap pages without an extra reference
    
    Commits ec83f825627 "mm.h: add helper function to test-and-clear
    _PGC_allocated" (and subsequent fix-up 44a887d021d "mm.h: fix BUG_ON()
    condition in put_page_alloc_ref()") introduced a BUG_ON() to detect
    unsafe behavior of callers.
    
    Unfortunately this condition still turns out to be too strict.
    xenheap pages are somewhat "magic": calling free_domheap_pages() on
    them will not cause free_heap_pages() to be called: whichever part of
    Xen allocated them specially must call free_xenheap_pages()
    specifically.  (They'll also be handled appropriately at domain
    destruction time.)
    
    Only crash Xen when put_page_alloc_ref() finds only a single refcount
    if the page is not a xenheap page.
    
    Signed-off-by: George Dunlap <george.dunlap@xxxxxxxxxx>
    Tested-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

commit 3a9205788bdabb2a23d2fa3b85637b2e629d19e5
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Fri May 24 16:14:53 2019 +0100

    tests/x86emul: Annotate test blobs as executable code
    
    This causes objdump to disassemble them, rather than rendering them as
    straight hex data.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>

commit 060f4eee0fb408b316548775ab921e16b7acd0e0
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Mon Aug 5 14:48:21 2019 +0100

    x86/shim: Fix parallel build following c/s 32b1d62887d0
    
    Unfortunately, a parallel build from clean can fail in the following manner:
    
      xen.git$ make -j4 -C tools/firmware/xen-dir/
      make: Entering directory '/local/xen.git/tools/firmware/xen-dir'
      mkdir -p xen-root
      make: *** No rule to make target 
'xen-root/xen/arch/x86/configs/pvshim_defconfig', needed by 
'xen-root/xen/.config'.  Stop.
      make: *** Waiting for unfinished jobs....
    
    The rule for pvshim_defconfig needs to depend on the linkfarm, rather than
    $(D)/xen/.config specifically.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

commit 32b1d62887d01f85f0c1d2e0103f69f74e1f6fa3
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Fri Jul 26 10:54:41 2019 +0100

    x86/shim: Refresh pvshim_defconfig
    
    * Add a dependency so the shim gets rebuilt when pvshim_defconfig changes.
    * Default to the NULL scheduler now that it works with vcpu online/offline.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>

commit 8d54a6adf42a89350f746000f07ed3f4656ceed2
Author: Dario Faggioli <dfaggioli@xxxxxxxx>
Date:   Mon Aug 5 11:50:57 2019 +0100

    xen: sched: refactor the ASSERTs around vcpu_deassing()
    
    It is all the time that we call vcpu_deassing() that the vcpu _must_ be
    assigned to a pCPU, and hence that such pCPU can't be free.
    
    Therefore, move the ASSERT-s which check for these properties in that
    function, where they belong better.
    
    Signed-off-by: Dario Faggioli <dfaggioli@xxxxxxxx>
    Reviewed-by: George Dunlap <george.dunlap@xxxxxxxxx>
    Message-Id: <156412236781.2385.9110155201477198899.stgit@Palanthas>

commit faa2c904fbc05cb740d6d9369cd6c32258736b0e
Author: Dario Faggioli <dfaggioli@xxxxxxxx>
Date:   Mon Aug 5 11:50:56 2019 +0100

    xen: sched: reassign vCPUs to pCPUs, when they come back online
    
    When a vcpu that was offline, comes back online, we do want it to either
    be assigned to a pCPU, or go into the wait list.
    
    Detecting that a vcpu is coming back online is a bit tricky. Basically,
    if the vcpu is waking up, and is neither assigned to a pCPU, nor in the
    wait list, it must be coming back from offline.
    
    When this happens, we put it in the waitqueue, and we "tickle" an idle
    pCPU (if any), to go pick it up.
    
    Looking at the patch, it seems that the vcpu wakeup code is getting
    complex, and hence that it could potentially introduce latencies.
    However, all this new logic is triggered only by the case of a vcpu
    coming online, so, basically, the overhead during normal operations is
    just an additional 'if()'.
    
    Signed-off-by: Dario Faggioli <dario.faggioli@xxxxxxxx>
    Reviewed-by: George Dunlap <george.dunlap@xxxxxxxxxx>
    Message-Id: <156412236222.2385.236340632846050170.stgit@Palanthas>

commit d545f1d6c2519a183ed631cfca7aff0baf29fde5
Author: Dario Faggioli <dfaggioli@xxxxxxxx>
Date:   Mon Aug 5 11:50:55 2019 +0100

    xen: sched: deal with vCPUs being or becoming online or offline
    
    If a vCPU is, or is going, offline we want it to be neither
    assigned to a pCPU, nor in the wait list, so:
    - if an offline vcpu is inserted (or migrated) it must not
      go on a pCPU, nor in the wait list;
    - if an offline vcpu is removed, we are sure that it is
      neither on a pCPU nor in the wait list already, so we
      should just bail, avoiding doing any further action;
    - if a vCPU goes offline we need to remove it either from
      its pCPU or from the wait list.
    
    Signed-off-by: Dario Faggioli <dfaggioli@xxxxxxxx>
    Reviewed-by: George Dunlap <george.dunlap@xxxxxxxxxx>
    Message-Id: <156412235656.2385.13861979113936528474.stgit@Palanthas>

commit a397471278a7838962f57e4c460582c9c836d1b9
Author: Dario Faggioli <dfaggioli@xxxxxxxx>
Date:   Mon Aug 5 11:50:54 2019 +0100

    xen: sched: refector code around vcpu_deassign() in null scheduler
    
    vcpu_deassign() is called only once (in _vcpu_remove()).
    
    Let's consolidate the two functions into one.
    
    No functional change intended.
    
    Signed-off-by: Dario Faggioli <dfaggioli@xxxxxxxx>
    Acked-by: George Dunlap <george.dunlap@xxxxxxxxxx>
    Message-Id: <156412235104.2385.3911161728130674771.stgit@Palanthas>
(qemu changes not included)

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